package com.itheima.common;


import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

import java.sql.SQLIntegrityConstraintViolationException;

/*
* 全局异常处理
* */
@ControllerAdvice(annotations = {RestController.class, Controller.class})
@ResponseBody
@Slf4j
public class GlonalExceptiomHandler {

    /*
    * 进行异常处理的方法
    * */
    @ExceptionHandler(SQLIntegrityConstraintViolationException.class)
public  R<String> exceptionHandler(SQLIntegrityConstraintViolationException ex) {
        log.error(ex.getMessage());
        if(ex.getMessage().contains("Duplicate entry")){
            String[] split = ex.getMessage().split(" ");
           String msg= split[2]+"已存在";
         return   R.error(msg);
        }
    return  R.error("失败");
}


    @ExceptionHandler(CustomException.class)
    public  R<String> exceptionHandler(CustomException ex) {
        log.error(ex.getMessage());

        return  R.error(ex.getMessage());
    }
}
